/Engine/Plugins/FX/Niagara/Source/Niagara/Public/NiagaraSystemRenderData.h
Gets the relevance of this NiagaraSystem for this view
[FPrimitiveViewRelevance](API\Runtime\Engine\FPrimitiveViewRelevance) GetViewRelevance ( const [FSceneView](API\Runtime\Engine\FSceneView) & View, const [FNiagaraSceneProxy](API\Plugins\Niagara\FNiagaraSceneProxy) & SceneProxy ) const